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Finding the Fourth Proportional to 149,117.96, 205,714.98 and 88,654.30

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Solution

The fourth proportional to 149,117.96, 205,714.98 and 88,654.30 is: 122,302.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,117.96 : 205,714.98 = 88,654.30 : x
  2. Step 2: Convert to fraction form
    149,117.96/205,714.98 = 88,654.30/x
  3. Step 3: Cross multiply
    149,117.96x = 205,714.98 × 88,654.30
  4. Step 4: Simplify right side
    149,117.96x = 18,237,517,551.41
  5. Step 5: Solve for x
    x = 18,237,517,551.41/149,117.96
  6. Step 6: Final answer
    x = 122,302.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.